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Accessing an SQLite Database in Swift

...you should probably use one of the many SQLite wrappers, if you wanted to know how to call the SQLite library yourself, you would: Configure your Swift project to handle SQLite C calls. If using Xcode 9 or later, you can simply do: import SQLite3 Create/open database. let fileURL = try! FileMan...
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String.replaceAll single backslashes with double backslashes

...s tools to automatically escape text into target and replacement parts. So now we can focus only on strings, and forget about regex syntax: replaceAll(Pattern.quote(target), Matcher.quoteReplacement(replacement)) which in our case can look like replaceAll(Pattern.quote("\\"), Matcher.quoteReplac...
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Differences between numpy.random and random.random in Python

...ndom numbers, and they're both completely deterministic - that is, if you know a few key bits of information, it's possible to predict with absolute certainty what number will come next. For this reason, neither numpy.random nor random.random is suitable for any serious cryptographic uses. But becau...
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Install tkinter for Python

... installation directory - and it should work. It worked for me - and I can now import Tkinter etc to my heart's content - yipidy-yay. An entire afternoon spent on this - hope this note saves others from the pain. share ...
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions

...-s /usr/local/Cellar/autoconf/2.69/bin/autoheader /usr/bin/autoheader I know that this question was for 10.7, but I hope my answer is useful for someone on 10.8. :) Updated: Also works on 10.10 Yosemite. share | ...
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Animate the transition between fragments

...ally slides involve animating content to and from off-screen. As far as I know there aren't any transition properties that use relative values. However, this doesn't prevent you from writing them yourself. Remember that property animations simply require getter and setter methods on the objects you'...
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Backbone.View “el” confusion

...a pre-existing element with el: $("#someElementID") is your view probably knows more than it should, making it difficult to reuse it. see "Decouple view from DOM..." coenraets.org/blog/2012/01/… – Scott Coates May 4 '12 at 16:02 ...
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Understanding dispatch_async

...It takes about 4 or 5 seconds. It's been driving me crazy for several days now. – GrandSteph Sep 16 '14 at 15:26 @Gran...
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How to set value of input text using jQuery

...e are developers'); for ids $('#nameofdiv').val('we are developers'); now if u have an iput in a form u can use $("#form li.name input.name_val").val('we are awsome developers'); share | imp...
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Multiple commands in an alias for bash

...ias lock='gnome-screensaver && gnome-screensaver-command --lock' Now the second command will not even be attempted unless the first one is successful. A better description of short-circuit evaluation is described in this SO question. ...